Product Name

Potassium Nitrate cas 7757-79-1

Basic Information

CAS No:7757-79-1
Molecular Formula:KNO3
Molecular Weight:101.10
Remarks:Factory direct sales

Potassium Nitrate Properties




White crystalline powder



Melting point/℃334
density(Kg/m³)2100(rough estimate)
refractive index1.571
Flash point/℃412
storage temproom temperature

Potassium Nitrate USES

Potassium nitrate is the raw material for the manufacture of black powder, such as mine powder, ignition wire, firecrackers, etc. It is also used in fireworks to produce purple sparks. A salt bath for quenching by mechanical heat treatment. The ceramic industry is used to make enamel drugs. Used as a glass clarifying agent. Used in the manufacture of automobile lamp glass, optical glass picture tube glass, etc. The pharmaceutical industry is used for the production of penicillin potassium salt, rifametine drugs. Used to make cigarette paper. Used as a catalyst. Beneficiation agent. Used as a compound fertilizer for crops and flowers. Potassium nitrate is also a hair color permitted in China. It is reduced to potassium nitrite in meat products due to bacterial action and plays a role in color protection and bacteriostasis. China stipulates that it can be used for meat products, the maximum usage is 0.5g/kg, and the residual amount shall not exceed 0.03g/kg. Industrial potassium nitrate is also widely used in the process of strengthening glass.

Potassium Nitrate Packaging

Packing: 25Kg,100Kg,200Kg,1000Kg/Drum

Potassium Nitrate storage

  1. Store barreled products in a cool, ventilated warehouse; keep away from

fire and heat sources. The warehousing temperature does not exceed 30 ℃, and the relative

humidity does not exceed 80%. Keep the container sealed; products should be stored separately

from oxidants, reducing agents, etc., and should not be mixed; be equipped with fire-fighting

equipment of appropriate variety and quantity; the storage area should be equipped with

equipment for emergency treatment of leakage and suitable containment materials;

  1. Store in a special storage tank; keep away from fire and heat sources; there is fire-fighting foam

for a fire emergency, and the tank area is equipped with equipment for the emergency treatment of


  1. Shelf life: The shelf life of this product is 6 months.

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